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Ashok0210

Asked: March 5, 2021In: Class 12 Physics

A series LCR circuit with L = 0.12 H, C = 480 nF, R = 23 Ω is connected to a 230 V variable frequency supply. (a) What is the source frequency for which current amplitude is maximum? Obtain this maximum value. (b) What is the source frequency for which average power absorbed by the circuit is maximum? Obtain die value of this maximum power. (c) For which frequencies of the source is the power transferred to the circuit half the power at resonant frequency? What is the current amplitude at these frequencies? (d) What is the Q-factor of the given circuit?

Class 12 Physics CBSE and UP Board Alternating Current Chapter-7 Exercise 7.20 Additional Exercise NCERT Solutions for Class 12 Physics Chapter 7 Question 20

Ashok0210

Asked: March 5, 2021In: Class 12 Physics

A 100 Ω resistor is connected to a 220 V, 50 Hz ac supply. (a) What is the rms value of current in the circuit? (b) What is the net power consumed over a full cycle?

Class 12 Physics CBSE and UP Board Alternating Current Chapter-7 Exercise 7.1 Additional Exercise NCERT Solutions for Class 12 Physics Chapter 7 Question 1

Ashok0210

Asked: March 5, 2021In: Class 12 Physics

Suppose the initial charge on the capacitor in Exercise 7.7 is 6 mC. What is the total energy stored in the circuit initially? What is the total energy at later time?

Class 12 Physics CBSE and UP Board Alternating Current Chapter-7 Exercise 7.8 NCERT Solutions for Class 12 Physics Chapter 7 Question 8

Ashok0210

Asked: March 5, 2021In: Class 12 Physics

A charged 30μF capacitor is connected to a 27 mH inductor. What is the angular frequency of free oscillations of the circuit?

Class 12 Physics CBSE and UP Board Alternating Current Chapter-7 Exercise 7.7 NCERT Solutions for Class 12 Physics Chapter 7 Question 7

Ashok0210

Asked: March 5, 2021In: Class 12 Physics

Obtain the resonant frequency ωr of a series LCR circuit with L = 2.0 H, C = 32μF and R = 10 Ω. What is the Q-value of this circuit?

Class 12 Physics CBSE and UP Board Alternating Current Chapter-7 Exercise 7.6 NCERT Solutions for Class 12 Physics Chapter 7 Question 6

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Ashok0210

A 100 Ω resistor is connected to a 220 V, 50 Hz ac supply. (a) What is the rms value of current in the circuit? (b) What is the net power consumed over a full cycle?

Suppose the initial charge on the capacitor in Exercise 7.7 is 6 mC. What is the total energy stored in the circuit initially? What is the total energy at later time?

A charged 30μF capacitor is connected to a 27 mH inductor. What is the angular frequency of free oscillations of the circuit?

Obtain the resonant frequency ωr of a series LCR circuit with L = 2.0 H, C = 32μF and R = 10 Ω. What is the Q-value of this circuit?

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